The largest train station is Köln Hauptbahnhof, other stations include Köln Messe/Deutz, Köln Hansaring, Köln West and Köln Süd station, as well as a dense net of Cologne Stadtbahn tram and U-Bahn stations.The, innenstadt and Altstadt were formed within the borders made up of the anlage lying to the right of the Main and are thereby clearly recognisable on the city plan.The inner city is the poor areas near the centre of a big city.helping kids deal with the fear of living in the inner city.